document.write( "Question 897981: 
Train 1 comes every 12 minutes. 
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document.write( "Train 2 comes every 10 minutes. 
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document.write( "Train 2 comes every 3 minutes,
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document.write( "If they all arrived together at 4:00 what time will they 
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document.write( "all arrive together again? \n" );
document.write( "
Algebra.Com's Answer #544475 by Edwin McCravy(20054)\"\" \"About 
You can put this solution on YOUR website!
 
Train 1 comes every 12 minutes. \r\n" );
document.write( "Train 2 comes every 10 minutes. \r\n" );
document.write( "Train 2 comes every 3 minutes,\r\n" );
document.write( "If they all arrived together at 4:00 what time will they \r\n" );
document.write( "all arrive together again?\r\n" );
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document.write( "The least common multiple of 12, 10 and 3 is 60 minutes.\r\n" );
document.write( "So they will all arrive together 60 minutes later at 5:00.\r\n" );
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document.write( "Checking:\r\n" );
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document.write( "Train 1 comes at \r\n" );
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document.write( "4:00, 4:12, 4:24, 4:36, 4:48, 5:00\r\n" );
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document.write( "Train 2 comes at\r\n" );
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document.write( "4:00, 4:10, 4:20, 4:30, 4:40, 4:50, 5:00\r\n" );
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document.write( "Train 3 comes at\r\n" );
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document.write( "4:00, 4:03, 4:06, 4:09, 4:12, 4:15, 4:18,\r\n" );
document.write( "4:21, 4:24, 4:27, 4:30, 4:33, 4:36, 4:39,\r\n" );
document.write( "4:42, 4:45, 4:48, 4:51, 4:54, 4:57, 5:00\r\n" );
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document.write( "Edwiin
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